Why does he – the vice president feel the need to subjectivise the debate?

Surely, the vice president and a man of his standing and intellectual reputation would quickly arrive at the conclusion, that, the time for debate has long past. Indeed, now that such notable wits; Al Gore, Arnie, Bin Laden, Hanoi Jane, Leonardo DiCaprio, Michael Mann and Naomi Oreskes have declared that, “the science is settled” and who could gainsay all of these?